Cita APA (7a ed.)

(1960). Kunst und Naturform = Form in Art and Nature = Art et Nature (2a ed.). Basilius Press.

Cita Chicago Style (17a ed.)

Kunst Und Naturform = Form in Art and Nature = Art Et Nature. 2a ed. Basel: Basilius Press, 1960.

Cita MLA (9a ed.)

Kunst Und Naturform = Form in Art and Nature = Art Et Nature. 2a ed. Basilius Press, 1960.